diff options
author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2018-05-24 02:02:42 +0300 |
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committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2018-05-31 03:45:19 +0000 |
commit | f99fa1058dc89fb4fc0c23f0217a0257fffdf9f9 (patch) | |
tree | 51b22089587d0a680507b7c976cfb382f36ec6e7 /src/northbridge/via/vx800/driving_setting.c | |
parent | e99f0390b9b8e04b197b165e6e63826ce9631d35 (diff) |
Remove VIA VX800 northbridge support
Change-Id: Id6026e9d7ff064d54b0dd93e80dabdcc4efd2b8e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/26679
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/northbridge/via/vx800/driving_setting.c')
-rw-r--r-- | src/northbridge/via/vx800/driving_setting.c | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/src/northbridge/via/vx800/driving_setting.c b/src/northbridge/via/vx800/driving_setting.c deleted file mode 100644 index a67c5b0e27..0000000000 --- a/src/northbridge/via/vx800/driving_setting.c +++ /dev/null @@ -1,382 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 One Laptop per Child, Association, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -/* - Driving setting: ODT/DQS/DQ/CS/MAA/MAB/DCLK - */ - -void DrivingODT(DRAM_SYS_ATTR * DramAttr); - -void DrivingDQS(DRAM_SYS_ATTR * DramAttr); - -void DrivingDQ(DRAM_SYS_ATTR * DramAttr); - -void DrivingCS(DRAM_SYS_ATTR * DramAttr); - -void DrivingMA(DRAM_SYS_ATTR * DramAttr); - -void DrivingDCLK(DRAM_SYS_ATTR * DramAttr); - -/* DRAM Driving Adjustment*/ -void DRAMDriving(DRAM_SYS_ATTR * DramAttr) -{ - PRINT_DEBUG_MEM("set ODT!\r"); - DrivingODT(DramAttr); - - PRINT_DEBUG_MEM("set DQS!\r"); - DrivingDQS(DramAttr); - - PRINT_DEBUG_MEM(("set DQ!\r")); - DrivingDQ(DramAttr); - - PRINT_DEBUG_MEM("set CS!\r"); - DrivingCS(DramAttr); - - PRINT_DEBUG_MEM("set MAA!\r"); - DrivingMA(DramAttr); - - PRINT_DEBUG_MEM("set DCLK!\r"); - DrivingDCLK(DramAttr); -} - -/* -ODT Control for DQ/DQS/CKE/SCMD/DCLKO in ChA & ChB -which include driving enable/range and strong/weak selection - -Processing: According to DRAM frequency to ODT control bits. - Because function enable bit must be the last one to be set. - So the register VIA_NB3DRAM_REGD4 and VIA_NB3DRAM_REGD3 should be - the last register to be programmed. -*/ -//------------------------------------------------------------------------------- -// ODT Lookup Table -//------------------------------------------------------------------------------- -#define Rank0_ODT 0 -#define Rank1_ODT 1 -#define Rank2_ODT 2 -#define Rank3_ODT 3 -#define NA_ODT 0 -#define NB_ODT_75ohm 0 -#define NB_ODT_150ohm 1 - -#define DDR2_ODT_75ohm 0x20 -#define DDR2_ODT_150ohm 0x40 - -// Setting of ODT Lookup TBL -// RankMAP , Rank 3 Rank 2 Rank 1 Rank 0 , DRAM & NB ODT setting -// db 0000b , Reserved -#define ODTLookup_Tbl_count 8 -static const u8 ODTLookup_TBL[ODTLookup_Tbl_count][3] = { - // 0001b - {0x01, - (Rank3_ODT << 6) + (Rank2_ODT << 4) + (Rank1_ODT << 2) + - Rank0_ODT, DDR2_ODT_150ohm + NB_ODT_75ohm}, - // 0010b , Reserved - // 0011b - {0x03, - (Rank3_ODT << 6) + (Rank2_ODT << 4) + (Rank0_ODT << 2) + - Rank1_ODT, DDR2_ODT_150ohm + NB_ODT_75ohm}, - // 0100b - {0x04, - (Rank3_ODT << 6) + (Rank2_ODT << 4) + (Rank1_ODT << 2) + - Rank0_ODT, DDR2_ODT_150ohm + NB_ODT_75ohm}, - // 0101b - {0x05, - (Rank3_ODT << 6) + (Rank0_ODT << 4) + (Rank1_ODT << 2) + - Rank2_ODT, DDR2_ODT_75ohm + NB_ODT_150ohm}, - // 0110b , Reserved - // 0111b - {0x07, - (Rank3_ODT << 6) + (Rank0_ODT << 4) + (Rank2_ODT << 2) + - Rank2_ODT, DDR2_ODT_75ohm + NB_ODT_150ohm}, - // 1000b , Reserved - // 1001b , Reserved - // 1010b , Reserved - // 1011b , Reserved - // 1100b - {0x0c, - (Rank2_ODT << 6) + (Rank3_ODT << 4) + (Rank1_ODT << 2) + - Rank0_ODT, DDR2_ODT_150ohm + NB_ODT_75ohm}, - // 1101b - {0x0d, - (Rank0_ODT << 6) + (Rank0_ODT << 4) + (Rank1_ODT << 2) + - Rank2_ODT, DDR2_ODT_75ohm + NB_ODT_150ohm}, - // 1110b , Reserved - // 1111b - {0x0f, - (Rank0_ODT << 6) + (Rank0_ODT << 4) + (Rank2_ODT << 2) + - Rank2_ODT, DDR2_ODT_75ohm + NB_ODT_150ohm} -}; - -#define ODT_Table_Width_DDR2 4 -// RxD6 RxD3 -static const u8 ODT_Control_DDR2[ODT_Table_Width_DDR2] = { 0xFC, 0x01 }; - -void DrivingODT(DRAM_SYS_ATTR * DramAttr) -{ - u8 Data; - u8 i; - BOOLEAN bFound; - - pci_write_config8(MEMCTRL, 0xD0, 0x88); - - Data = ODT_Control_DDR2[0]; - pci_write_config8(MEMCTRL, 0xd6, Data); - - Data = ODT_Control_DDR2[1]; - pci_write_config8(MEMCTRL, 0xd3, Data); - - Data = pci_read_config8(MEMCTRL, 0x9e); - //set MD turn_around wait state - Data &= 0xCF; /*clear bit4,5 */ - if (DIMMFREQ_400 == DramAttr->DramFreq) - Data |= 0x0; - else if (DIMMFREQ_533 == DramAttr->DramFreq) - Data |= 0x10; - else if (DIMMFREQ_667 == DramAttr->DramFreq) - Data |= 0x20; - else if (DIMMFREQ_800 == DramAttr->DramFreq) - Data |= 0x20; - else - Data |= 0; - pci_write_config8(MEMCTRL, 0x9e, Data); - - if (DIMMFREQ_400 == DramAttr->DramFreq) - Data = 0x0; - else if (DIMMFREQ_533 == DramAttr->DramFreq) - Data = 0x11; - else if (DIMMFREQ_667 == DramAttr->DramFreq) - Data = 0x11; - else if (DIMMFREQ_800 == DramAttr->DramFreq) - Data = 0x11; - else - Data = 0; - pci_write_config8(MEMCTRL, 0x9f, Data); - - /*channel A ODT select */ - if (DramAttr->DimmNumChA > 0) { - Data = pci_read_config8(MEMCTRL, 0xd5); - Data &= 0x5F; /*clear bit7,5 */ - if (DramAttr->RankNumChA > 2) - Data |= 0xA0; /*if rank number > 2 (3or4), set bit7,5 */ - else - Data |= 0x00; /*if rank number is 1or2, clear bit5 */ - pci_write_config8(MEMCTRL, 0xd5, Data); - - Data = pci_read_config8(MEMCTRL, 0xd7); - Data &= 0xEF; /*clear bit7 */ - if (DramAttr->RankNumChA > 2) - Data |= 0x80; /*if rank number > 2 (3or4), set bit7 */ - else - Data |= 0x00; /*if rank number is 1or2, clear bit7 */ - pci_write_config8(MEMCTRL, 0xd7, Data); - - /*channel A */ - Data = pci_read_config8(MEMCTRL, 0xd5); - Data &= 0xF3; //bit2,3 - if (DramAttr->DimmNumChA == 2) /*2 Dimm, 3or4 Ranks */ - Data |= 0x00; - else if (DramAttr->DimmNumChA == 1) - Data |= 0x04; - pci_write_config8(MEMCTRL, 0xd5, Data); - - if ((DramAttr->RankPresentMap & 0x0F) != 0) { /*channel A */ - // MAA ODT Lookup Table - bFound = FALSE; - for (i = 0; i < ODTLookup_Tbl_count; i++) { - if ((DramAttr->RankPresentMap & 0x0F) == - ODTLookup_TBL[i][0]) { - Data = ODTLookup_TBL[i][1]; - bFound = TRUE; - } - } - if (!bFound) { /*set default value */ - Data = - ODTLookup_TBL[ODTLookup_Tbl_count - 1][1]; - } - pci_write_config8(MEMCTRL, 0x9c, Data); - - //set CHA MD ODT control State Dynamic-on - Data = pci_read_config8(MEMCTRL, 0xD4); - Data &= 0xC9; - Data |= 0x30; - pci_write_config8(MEMCTRL, 0xD4, Data); - - Data = pci_read_config8(MEMCTRL, 0x9e); - Data |= 0x01; - pci_write_config8(MEMCTRL, 0x9e, Data); - } - - } - /*channel B */ - if (1 == ENABLE_CHC) { - //CHB has not auto compensation mode ,so must set it manual,or else CHB initialization will not successful - - Data = pci_read_config8(MEMCTRL, 0xd5); - Data &= 0xAF; - if (DramAttr->RankNumChB > 2) /*rank number 3 or 4 */ - Data |= 0x50; - else - Data |= 0x00; - pci_write_config8(MEMCTRL, 0xd5, Data); - - Data = pci_read_config8(MEMCTRL, 0xd7); - Data &= 0xBF; /*clear bit6 */ - if (DramAttr->RankNumChB > 2) - Data |= 0x40; /*if rank number > 2 (3or4), set bit7 */ - else - Data |= 0x00; /*if rank number is 1or2, clear bit7 */ - pci_write_config8(MEMCTRL, 0xd7, Data); - - Data = pci_read_config8(MEMCTRL, 0xd5); - Data &= 0xFC; - if (DramAttr->DimmNumChB == 2) /*2 Dimm, 3or4 Ranks */ - Data |= 0x00; // 2 dimm RxD5[2,0]=0,0b - else if (DramAttr->DimmNumChB == 1) - Data |= 0x01; // 1 dimm RxD5[2,0]=1,1b - pci_write_config8(MEMCTRL, 0xd5, Data); - - //set CHB MD ODT control State Dynamic-on - Data = pci_read_config8(MEMCTRL, 0xD4); - Data &= 0xF6; - Data |= 0x08; - pci_write_config8(MEMCTRL, 0xD4, Data); - - //enable CHB differential DQS input - Data = pci_read_config8(MEMCTRL, 0x9E); - Data |= 0x02; - pci_write_config8(MEMCTRL, 0x9E, Data); - } - //enable ODT Control - Data = pci_read_config8(MEMCTRL, 0x9e); - Data |= 0x80; - pci_write_config8(MEMCTRL, 0x9e, Data); -} - -void DrivingDQS(DRAM_SYS_ATTR * DramAttr) -{ - u8 Data; - - /*channel A */ - if (DramAttr->RankNumChA > 0) { - Data = DDR2_DQSA_Driving_Table[DramAttr->RankNumChA - 1]; - pci_write_config8(MEMCTRL, 0xe0, Data); - } - - /*channel B */ - if (1 == ENABLE_CHC) { - Data = DDR2_DQSB_Driving_Table[DramAttr->RankNumChB - 1]; - pci_write_config8(MEMCTRL, 0xe1, Data); - } - -} - -void DrivingDQ(DRAM_SYS_ATTR * DramAttr) -{ - u8 Data; - - /*channel A */ - if (DramAttr->RankNumChA > 0) { - Data = DDR2_DQA_Driving_Table[DramAttr->RankNumChA - 1]; - pci_write_config8(MEMCTRL, 0xe2, Data); - - } - /*channel B */ - if (1 == ENABLE_CHC) { - Data = DDR2_DQB_Driving_Table[DramAttr->RankNumChB - 1]; - pci_write_config8(MEMCTRL, 0xe3, Data); - } -} - -void DrivingCS(DRAM_SYS_ATTR * DramAttr) -{ - u8 Data; - /*Channel A */ - if (DramAttr->RankNumChA > 0) { - Data = DDR2_CSA_Driving_Table_x8[DramAttr->RankNumChA - 1]; - pci_write_config8(MEMCTRL, 0xe4, Data); - } - /*channel B */ - if (1 == ENABLE_CHC) { - Data = DDR2_CSB_Driving_Table_x8[DramAttr->RankNumChB - 1]; - pci_write_config8(MEMCTRL, 0xe5, Data); - } -} - -void DrivingMA(DRAM_SYS_ATTR * DramAttr) -{ - u8 Data; - u8 i, FreqId; - - if (DramAttr->RankNumChA > 0) { - if (DIMMFREQ_400 == DramAttr->DramFreq) - FreqId = 1; - else if (DIMMFREQ_533 == DramAttr->DramFreq) - FreqId = 2; - else if (DIMMFREQ_667 == DramAttr->DramFreq) - FreqId = 3; - else if (DIMMFREQ_800 == DramAttr->DramFreq) - FreqId = 4; - else - FreqId = 1; - for (i = 0; i < MA_Table; i++) { - if (DramAttr->LoadNumChA <= - DDR2_MAA_Driving_Table[i][0]) { - Data = DDR2_MAA_Driving_Table[i][FreqId]; - break; - } - } - pci_write_config8(MEMCTRL, 0xe8, Data); - } - if (1 == ENABLE_CHC) { - for (i = 0; i < MA_Table; i++) { - if (DramAttr->LoadNumChA <= - DDR2_MAB_Driving_Table[i][0]) { - Data = DDR2_MAB_Driving_Table[i][1]; - break; - } - } - pci_write_config8(MEMCTRL, 0xe9, Data); - } -} - -void DrivingDCLK(DRAM_SYS_ATTR * DramAttr) -{ - u8 Data; - u8 FreqId; - - if (DIMMFREQ_400 == DramAttr->DramFreq) - FreqId = 0; - else if (DIMMFREQ_533 == DramAttr->DramFreq) - FreqId = 1; - else if (DIMMFREQ_667 == DramAttr->DramFreq) - FreqId = 2; - else if (DIMMFREQ_800 == DramAttr->DramFreq) - FreqId = 3; - else - FreqId = 0; - - /*channel A */ - if (DramAttr->RankNumChA > 0) { - Data = DDR2_DCLKA_Driving_Table[FreqId]; - pci_write_config8(MEMCTRL, 0xe6, Data); - } - /*channel B */ - if (1 == ENABLE_CHC) { - Data = DDR2_DCLKB_Driving_Table[FreqId]; - pci_write_config8(MEMCTRL, 0xe7, Data); - } - -} |